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The distance of the point (1,-5,""9) fro...

The distance of the point `(1,-5,""9)` from the plane `x-y+z=5` measured along the line `x=y=z` is : (1) `3sqrt(10)` (2) `10sqrt(3)` (3) `(10)/(sqrt(3))` (4) `(20)/3`

A

`3sqrt(5)`

B

`10sqrt(3)`

C

`5sqrt(3)`

D

`3sqrt(10)`

Text Solution

Verified by Experts

The correct Answer is:
(b)
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ARIHANT MATHS-THREE DIMENSIONAL COORDINATE SYSTEM-Exercise (Questions Asked In Previous 13 Years Exam)
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  3. Statement-I The point A(1, 0, 7) is the mirror image of the point B(1,...

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  4. The length of the perpendicular drawn from the point (3, -1, 11) to th...

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  5. The distance of the point (1,-5,""9) from the plane x-y+z=5 measured a...

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  6. A line AB in three-dimensional space makes angles 45^(@) and 120^(@) w...

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  7. Statement-I The point A(3, 1, 6) is the mirror image of the point B(1,...

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  8. Let the line (x-2)/(3)=(y-1)/(-5)=(z+2)/(2) lies in the plane x+3y-alp...

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  9. The projection of a vector on the three coordinate axes are 6, -3, 2, ...

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  10. The line passing through the points (5, 1, a) and (3, b, 1) crosses th...

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  11. If the straight lines (x-1)/(k)=(y-2)/(2)=(z-3)/(3) and (x-2)/(3)=(y-3...

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  12. Let L be the line of intersection of the planes 2x+3y+z=1 and x+3y+2z=...

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  13. If a line makes an angle (pi)/(4) with the positive directions of each...

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  14. If (2, 3, 5) is one end of a diameter of the sphere x^(2)+y^(2)+z^(2)-...

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  15. The two lines x=ay+b, z=cy+d and x=a'y+b', z=c'y+d' are perpendicular ...

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  16. The image of the point (-1, 3, 4) in the plane x-2y=0 is

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  17. If the plane 2ax-3ay+4az+6=0 passes through the mid point of the line ...

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  18. If the angle theta between the line (x+1)/(1)=(y-1)/(2)=(z-2)/(2) and ...

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  19. The angle between the lines 2x=3y=-z and 6x=-y=-4z is

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  20. The plane x+2y-z=4 cuts the sphere x^(2)+y^(2)+z^(2)-x+z-2=0 in a circ...

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